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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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460 Register object_; | 460 Register object_; |
461 Register value_; | 461 Register value_; |
462 Register address_; | 462 Register address_; |
463 RememberedSetAction remembered_set_action_; | 463 RememberedSetAction remembered_set_action_; |
464 SaveFPRegsMode save_fp_regs_mode_; | 464 SaveFPRegsMode save_fp_regs_mode_; |
465 Label slow_; | 465 Label slow_; |
466 RegisterAllocation regs_; | 466 RegisterAllocation regs_; |
467 }; | 467 }; |
468 | 468 |
469 | 469 |
470 // Enter C code from generated RegExp code in a way that allows | |
471 // the C code to fix the return address in case of a GC. | |
472 // Currently only needed on ARM and MIPS. | |
473 class RegExpCEntryStub: public PlatformCodeStub { | |
474 public: | |
475 RegExpCEntryStub() {} | |
476 virtual ~RegExpCEntryStub() {} | |
477 void Generate(MacroAssembler* masm); | |
478 | |
479 private: | |
480 Major MajorKey() { return RegExpCEntry; } | |
481 int MinorKey() { return 0; } | |
482 | |
483 bool NeedsImmovableCode() { return true; } | |
484 }; | |
485 | |
486 // Trampoline stub to call into native code. To call safely into native code | 470 // Trampoline stub to call into native code. To call safely into native code |
487 // in the presence of compacting GC (which can move code objects) we need to | 471 // in the presence of compacting GC (which can move code objects) we need to |
488 // keep the code which called into native pinned in the memory. Currently the | 472 // keep the code which called into native pinned in the memory. Currently the |
489 // simplest approach is to generate such stub early enough so it can never be | 473 // simplest approach is to generate such stub early enough so it can never be |
490 // moved by GC | 474 // moved by GC |
491 class DirectCEntryStub: public PlatformCodeStub { | 475 class DirectCEntryStub: public PlatformCodeStub { |
492 public: | 476 public: |
493 DirectCEntryStub() {} | 477 DirectCEntryStub() {} |
494 void Generate(MacroAssembler* masm); | 478 void Generate(MacroAssembler* masm); |
495 void GenerateCall(MacroAssembler* masm, Register target); | 479 void GenerateCall(MacroAssembler* masm, Register target); |
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548 | 532 |
549 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; | 533 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; |
550 | 534 |
551 LookupMode mode_; | 535 LookupMode mode_; |
552 }; | 536 }; |
553 | 537 |
554 | 538 |
555 } } // namespace v8::internal | 539 } } // namespace v8::internal |
556 | 540 |
557 #endif // V8_MIPS_CODE_STUBS_ARM_H_ | 541 #endif // V8_MIPS_CODE_STUBS_ARM_H_ |
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